612225827 has 4 divisors (see below), whose sum is σ = 612785016. Its totient is φ = 611666640.

The previous prime is 612225821. The next prime is 612225863. The reversal of 612225827 is 728522216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 612225827 - 2⁶ = 612225763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612225821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277949 + ... + 280142.

It is an arithmetic number, because the mean of its divisors is an integer number (153196254).

Almost surely, 2^612225827 is an apocalyptic number.

612225827 is a deficient number, since it is larger than the sum of its proper divisors (559189).

612225827 is a wasteful number, since it uses less digits than its factorization.

612225827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559188.

The product of its digits is 26880, while the sum is 35.

The square root of 612225827 is about 24743.1975904490. The cubic root of 612225827 is about 849.1228908455.

The spelling of 612225827 in words is "six hundred twelve million, two hundred twenty-five thousand, eight hundred twenty-seven".